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Amendment 1 - Unfired pressure vessels - Part 3- Design. Original standard UNE-EN 13445-3-2021 + A1-2026 in PDF full version. Additional info + preview on request

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Liming materials. Denominations, specifications and labelling. Original standard UNE-EN 14069-2018 in PDF full version. Additional info + preview on request

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Fire safety engineering. General principles. Original standard UNE-ISO 23932-2017 in PDF full version. Additional info + preview on request

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Corrected version, March 2026 Bio-based products Bio-based carbon content Determination of the bio-based carbon content using the radiocarbon method (Consolidated version). Original standard UNE-EN 16640-2017 (2026) in PDF full version. Additional info + preview on request

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Public transport. Reference data model - Common concepts. Original standard UNE-EN 12896-1-2016 in PDF full version. Additional info + preview on request

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Public transport. Reference data model - Public transport network. Original standard UNE-EN 12896-2-2016 in PDF full version. Additional info + preview on request

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